Therm-A-Rest Women's Prolite Travel Light: Innovative materials create a mattress thats 20% lighter than previous Womens ProLite 3 mattresses. Save Space: Die-cut foam eliminates excess weight and rolls up ultra-compact Rest Comfortably: Bottom grips and textured top surface hold the mattress in place while you sleep Weight: (Reg) 1lb Dimensions: 20"x66"x1.5"